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Fluke Insulation Testers — Insulation Resistance Testers (Fluke 1503) — Fluke pneumatic product available at Shri Narayan Machinery LLP Noida
Fluke

Fluke Insulation Testers — Insulation Resistance Testers (Fluke 1503)

The Fluke 1503 insulation resistance tester is a professional-grade instrument for verifying electrical insulation integrity on motors, cables, transformers, and switchgear. It delivers test voltages of 500V and 1000V with an insulation measurement range of 0.01 MΩ to 2000 MΩ — covering everything from low-voltage wiring checks to high-resistance motor winding tests. The built-in live circuit detection automatically blocks testing if voltage above 30V is present, protecting both the operator and the equipment under test. A resistance measurement range of 0.01 Ω to 20.00 kΩ enables continuity and ground bond testing without switching instruments. Compact and rugged for field use, the Fluke 1503 carries a 1-year warranty. Shri Narayan Machinery LLP in Noida stocks the Fluke 1503 — request a quote for your electrical testing and commissioning needs.

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Model: Fluke 1503Insulation Test Range: 0.01 MΩ to 2000 MΩTest Voltages: 500V and 1000VResistance Range: 0.01 Ω to 20.00 kΩ

Key Features

Insulation resistance measurement from 0.01 MΩ to 2000 MΩ for comprehensive insulation testing
Dual test voltages: 500V and 1000V for low-voltage and medium-voltage insulation verification
Live circuit detection: Automatically blocks test if >30V is present — protects operator and equipment
Resistance measurement: 0.01 Ω to 20.00 kΩ for continuity and ground bond testing
Combines insulation tester and continuity tester in a single compact instrument
Auto-discharge of capacitive charge after insulation test for safe handling
CAT III safety rated for industrial and commercial electrical systems
Rugged handheld design for field use in panels, motor control centers, and substations

Technical Specifications

ModelFluke 1503
Insulation Test Range0.01 MΩ to 2000 MΩ
Test Voltages500V and 1000V
Resistance Range0.01 Ω to 20.00 kΩ
Live Circuit DetectionBlocks test if >30V detected
Safety RatingCAT III rated
Auto-DischargeYes — safely discharges capacitive loads after test
Power SupplyBattery operated (field portable)
DisplayDigital LCD with backlight
Measurement ModesInsulation resistance, low-ohm resistance, continuity
WeightLightweight handheld design for single-hand operation
Warranty1 year manufacturer warranty

Applications

The Insulation Testers is used across a wide range of industrial applications:

  • Motor winding insulation testing during preventive maintenance programs
  • Cable insulation verification before energizing new installations
  • Transformer insulation resistance checks during commissioning
  • Switchgear and bus bar insulation testing during shutdowns
  • Ground bond and continuity testing on electrical installations
  • Verifying insulation degradation trend over time for predictive maintenance
  • Pre-commissioning electrical testing for new construction projects
  • Troubleshooting insulation failures on ageing electrical assets

Industries Served

Manufacturing and factory maintenanceElectrical contracting and installationPower generation and distributionHVAC and motor-driven equipmentConstruction and commissioningFacility management and asset maintenance

Need Insulation Testers? Get the Best Dealer Price

As your Fluke dealer, Shri Narayan Machinery LLP offers competitive pricing on the entire Insulation Testers range. Contact us for availability and your best quote.

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C-101, Sector 9, Noida, Uttar Pradesh 201301 | Fluke Dealer

Frequently Asked Questions — Insulation Testers

The Fluke 1503 is an insulation resistance tester (commonly called a megger) used to verify the insulation integrity of electrical equipment. It applies a controlled test voltage (500V or 1000V) and measures the insulation resistance in megaohms. Common uses include testing motor windings, cable insulation, transformer insulation, and switchgear — essential for preventive maintenance and commissioning in any industrial or commercial facility.

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